Flow channel for drip irrigation with central cavity



FIG. 1 is a top plan view of a “flow channel for drip irrigation with central cavity” showing our new design, a typical hose being indicated in broken line;

FIG. 2 is a side elevational view thereof; and,

FIG. 3 is a left hand end view thereof.

The broken line showing of a hose is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a “flow channel for drip irrigation with central cavity”, as shown. 